*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
    max-width:700px;
    margin:auto;
    background-color: gainsboro;
    margin-top: 10px;
}
/* 标题设置 */
h1{
    margin:50px 0;
    border-bottom:1px solid #000;
    text-align: center;
}
/* 留言框文本域设置 */
textarea{
    width:100%;
    padding: 10px;
    margin-bottom: 30px;
}
/* 姓名input设置 */
input{
    width: 100%;
    padding:10px;
    margin-bottom: 10px;
   
}

/* 发表ipnut设置 */
.ipt{
    width: 30%;
    margin: 0 auto;
    padding:10px;
    margin-bottom: 10px;
}

a{
    display: inline-block;
}
a:hover{
color: cornflowerblue;
}

.footer{
    text-align: center;
    margin:30px 0;
}
/* 编辑按钮设置 */
.btn{
   margin-top: 10px;
   height: 25px;
   width: 50px;
   color: blue;
}
/* 删除按钮设置 */
.btn2{
    float: right;
    margin-top: 10px;
    height: 25px;
    width: 50px;
}

.lyneirong{
    font-family: cursive;
   cursor: pointer;
}

#one{
 background-color:white;
 margin-top: -10px;
}
.img1{
height: 70px;
width: 70px;
border-radius: 50%;

}
.spn{
    font-family: cursive;
   cursor: pointer;
  position: relative;
  top: -30px;
   
}